Marek Disease

Fowl Paralyses; Mareks Disease; Neurolymphomatoses; Paralyses, Fowl; Paralysis, Fowl
A transmissible viral disease of birds caused by avian herpesvirus 2 (HERPESVIRUS 2, GALLID) and other MAREK'S DISEASE-LIKE VIRUSES. There is lymphoid cell infiltration or lymphomatous tumor formation in the peripheral nerves and gonads, but may also involve visceral organs, skin, muscle, and the eye.